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The document discusses using surface electromyography signals from gesture movements for personal authentication. An experiment was conducted with 5 participants to measure electromyography signals from the forearm during 6 different gestures repeated 10 times each. The results showed similar signal waveforms for the same gesture performed by the same person, but dissimilar signals for the same gesture between people. Various machine learning methods were tested for gesture recognition and personal authentication using electromyography signals, achieving a false rejection rate of around 30% on average. Feature selection methods like ANOVA and random forests were able to reduce the number of important features needed for accurate authentication.
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Integration with BrainChip’s Akida neuromorphic hardware IP further enhances TENNs’ capabilities, enabling the realization of highly capable, portable and passively cooled edge devices. This presentation delves into the technical innovations underlying TENNs, presents real-world benchmarks, and elucidates how this cutting-edge approach is positioned to revolutionize edge AI across diverse applications.“How Axelera AI Uses Digital Compute-in-memory to Deliver Fast and Energy-eff...
“How Axelera AI Uses Digital Compute-in-memory to Deliver Fast and Energy-eff...Edge AI and Vision Alliance
For the full video of this presentation, please visit: https://www.edge-ai-vision.com/2024/06/how-axelera-ai-uses-digital-compute-in-memory-to-deliver-fast-and-energy-efficient-computer-vision-a-presentation-from-axelera-ai/
Bram Verhoef, Head of Machine Learning at Axelera AI, presents the “How Axelera AI Uses Digital Compute-in-memory to Deliver Fast and Energy-efficient Computer Vision” tutorial at the May 2024 Embedded Vision Summit.
As artificial intelligence inference transitions from cloud environments to edge locations, computer vision applications achieve heightened responsiveness, reliability and privacy. This migration, however, introduces the challenge of operating within the stringent confines of resource constraints typical at the edge, including small form factors, low energy budgets and diminished memory and computational capacities. Axelera AI addresses these challenges through an innovative approach of performing digital computations within memory itself. This technique facilitates the realization of high-performance, energy-efficient and cost-effective computer vision capabilities at the thin and thick edge, extending the frontier of what is achievable with current technologies.
In this presentation, Verhoef unveils his company’s pioneering chip technology and demonstrates its capacity to deliver exceptional frames-per-second performance across a range of standard computer vision networks typical of applications in security, surveillance and the industrial sector. This shows that advanced computer vision can be accessible and efficient, even at the very edge of our technological ecosystem.Freshworks Rethinks NoSQL for Rapid Scaling & Cost-Efficiency
Freshworks creates AI-boosted business software that helps employees work more efficiently and effectively. Managing data across multiple RDBMS and NoSQL databases was already a challenge at their current scale. To prepare for 10X growth, they knew it was time to rethink their database strategy. Learn how they architected a solution that would simplify scaling while keeping costs under control.
GraphRAG for LifeSciences Hands-On with the Clinical Knowledge Graph
Tomaz Bratanic
Graph ML and GenAI Expert - Neo4j
Choosing The Best AWS Service For Your Website + API.pptx
Have you ever been confused by the myriad of choices offered by AWS for hosting a website or an API?
Lambda, Elastic Beanstalk, Lightsail, Amplify, S3 (and more!) can each host websites + APIs. But which one should we choose?
Which one is cheapest? Which one is fastest? Which one will scale to meet our needs?
Join me in this session as we dive into each AWS hosting service to determine which one is best for your scenario and explain why!
5th LF Energy Power Grid Model Meet-up Slides
5th Power Grid Model Meet-up
It is with great pleasure that we extend to you an invitation to the 5th Power Grid Model Meet-up, scheduled for 6th June 2024. This event will adopt a hybrid format, allowing participants to join us either through an online Mircosoft Teams session or in person at TU/e located at Den Dolech 2, Eindhoven, Netherlands. The meet-up will be hosted by Eindhoven University of Technology (TU/e), a research university specializing in engineering science & technology.
Power Grid Model
The global energy transition is placing new and unprecedented demands on Distribution System Operators (DSOs). Alongside upgrades to grid capacity, processes such as digitization, capacity optimization, and congestion management are becoming vital for delivering reliable services.
Power Grid Model is an open source project from Linux Foundation Energy and provides a calculation engine that is increasingly essential for DSOs. It offers a standards-based foundation enabling real-time power systems analysis, simulations of electrical power grids, and sophisticated what-if analysis. In addition, it enables in-depth studies and analysis of the electrical power grid’s behavior and performance. This comprehensive model incorporates essential factors such as power generation capacity, electrical losses, voltage levels, power flows, and system stability.
Power Grid Model is currently being applied in a wide variety of use cases, including grid planning, expansion, reliability, and congestion studies. It can also help in analyzing the impact of renewable energy integration, assessing the effects of disturbances or faults, and developing strategies for grid control and optimization.
What to expect
For the upcoming meetup we are organizing, we have an exciting lineup of activities planned:
-Insightful presentations covering two practical applications of the Power Grid Model.
-An update on the latest advancements in Power Grid -Model technology during the first and second quarters of 2024.
-An interactive brainstorming session to discuss and propose new feature requests.
-An opportunity to connect with fellow Power Grid Model enthusiasts and users.
Astute Business Solutions | Oracle Cloud Partner |
Your goto partner for Oracle Cloud, PeopleSoft, E-Business Suite, and Ellucian Banner. We are a firm specialized in managed services and consulting.
Columbus Data & Analytics Wednesdays - June 2024
Columbus Data & Analytics Wednesdays, June 2024 with Maria Copot 20
Your One-Stop Shop for Python Success: Top 10 US Python Development Providers
Simplify your search for a reliable Python development partner! This list presents the top 10 trusted US providers offering comprehensive Python development services, ensuring your project's success from conception to completion.
Mutation Testing for Task-Oriented Chatbots
Conversational agents, or chatbots, are increasingly used to access all sorts of services using natural language. While open-domain chatbots - like ChatGPT - can converse on any topic, task-oriented chatbots - the focus of this paper - are designed for specific tasks, like booking a flight, obtaining customer support, or setting an appointment. Like any other software, task-oriented chatbots need to be properly tested, usually by defining and executing test scenarios (i.e., sequences of user-chatbot interactions). However, there is currently a lack of methods to quantify the completeness and strength of such test scenarios, which can lead to low-quality tests, and hence to buggy chatbots.
To fill this gap, we propose adapting mutation testing (MuT) for task-oriented chatbots. To this end, we introduce a set of mutation operators that emulate faults in chatbot designs, an architecture that enables MuT on chatbots built using heterogeneous technologies, and a practical realisation as an Eclipse plugin. Moreover, we evaluate the applicability, effectiveness and efficiency of our approach on open-source chatbots, with promising results.
Connector Corner: Seamlessly power UiPath Apps, GenAI with prebuilt connectors
Join us to learn how UiPath Apps can directly and easily interact with prebuilt connectors via Integration Service--including Salesforce, ServiceNow, Open GenAI, and more.
The best part is you can achieve this without building a custom workflow! Say goodbye to the hassle of using separate automations to call APIs. By seamlessly integrating within App Studio, you can now easily streamline your workflow, while gaining direct access to our Connector Catalog of popular applications.
We’ll discuss and demo the benefits of UiPath Apps and connectors including:
Creating a compelling user experience for any software, without the limitations of APIs.
Accelerating the app creation process, saving time and effort
Enjoying high-performance CRUD (create, read, update, delete) operations, for
seamless data management.
Speakers:
Russell Alfeche, Technology Leader, RPA at qBotic and UiPath MVP
Charlie Greenberg, host
Skybuffer SAM4U tool for SAP license adoption
Manage and optimize your license adoption and consumption with SAM4U, an SAP free customer software asset management tool.
SAM4U, an SAP complimentary software asset management tool for customers, delivers a detailed and well-structured overview of license inventory and usage with a user-friendly interface. We offer a hosted, cost-effective, and performance-optimized SAM4U setup in the Skybuffer Cloud environment. You retain ownership of the system and data, while we manage the ABAP 7.58 infrastructure, ensuring fixed Total Cost of Ownership (TCO) and exceptional services through the SAP Fiori interface.
Dandelion Hashtable: beyond billion requests per second on a commodity server
This slide deck presents DLHT, a concurrent in-memory hashtable. Despite efforts to optimize hashtables, that go as far as sacrificing core functionality, state-of-the-art designs still incur multiple memory accesses per request and block request processing in three cases. First, most hashtables block while waiting for data to be retrieved from memory. Second, open-addressing designs, which represent the current state-of-the-art, either cannot free index slots on deletes or must block all requests to do so. Third, index resizes block every request until all objects are copied to the new index. Defying folklore wisdom, DLHT forgoes open-addressing and adopts a fully-featured and memory-aware closed-addressing design based on bounded cache-line-chaining. This design offers lock-free index operations and deletes that free slots instantly, (2) completes most requests with a single memory access, (3) utilizes software prefetching to hide memory latencies, and (4) employs a novel non-blocking and parallel resizing. In a commodity server and a memory-resident workload, DLHT surpasses 1.6B requests per second and provides 3.5x (12x) the throughput of the state-of-the-art closed-addressing (open-addressing) resizable hashtable on Gets (Deletes).
Introduction of Cybersecurity with OSS at Code Europe 2024
I develop the Ruby programming language, RubyGems, and Bundler, which are package managers for Ruby. Today, I will introduce how to enhance the security of your application using open-source software (OSS) examples from Ruby and RubyGems.
The first topic is CVE (Common Vulnerabilities and Exposures). I have published CVEs many times. But what exactly is a CVE? I'll provide a basic understanding of CVEs and explain how to detect and handle vulnerabilities in OSS.
Next, let's discuss package managers. Package managers play a critical role in the OSS ecosystem. I'll explain how to manage library dependencies in your application.
I'll share insights into how the Ruby and RubyGems core team works to keep our ecosystem safe. By the end of this talk, you'll have a better understanding of how to safeguard your code.
HCL Notes und Domino Lizenzkostenreduzierung in der Welt von DLAU
Webinar Recording: https://www.panagenda.com/webinars/hcl-notes-und-domino-lizenzkostenreduzierung-in-der-welt-von-dlau/
DLAU und die Lizenzen nach dem CCB- und CCX-Modell sind für viele in der HCL-Community seit letztem Jahr ein heißes Thema. Als Notes- oder Domino-Kunde haben Sie vielleicht mit unerwartet hohen Benutzerzahlen und Lizenzgebühren zu kämpfen. Sie fragen sich vielleicht, wie diese neue Art der Lizenzierung funktioniert und welchen Nutzen sie Ihnen bringt. Vor allem wollen Sie sicherlich Ihr Budget einhalten und Kosten sparen, wo immer möglich. Das verstehen wir und wir möchten Ihnen dabei helfen!
Wir erklären Ihnen, wie Sie häufige Konfigurationsprobleme lösen können, die dazu führen können, dass mehr Benutzer gezählt werden als nötig, und wie Sie überflüssige oder ungenutzte Konten identifizieren und entfernen können, um Geld zu sparen. Es gibt auch einige Ansätze, die zu unnötigen Ausgaben führen können, z. B. wenn ein Personendokument anstelle eines Mail-Ins für geteilte Mailboxen verwendet wird. Wir zeigen Ihnen solche Fälle und deren Lösungen. Und natürlich erklären wir Ihnen das neue Lizenzmodell.
Nehmen Sie an diesem Webinar teil, bei dem HCL-Ambassador Marc Thomas und Gastredner Franz Walder Ihnen diese neue Welt näherbringen. Es vermittelt Ihnen die Tools und das Know-how, um den Überblick zu bewahren. Sie werden in der Lage sein, Ihre Kosten durch eine optimierte Domino-Konfiguration zu reduzieren und auch in Zukunft gering zu halten.
Diese Themen werden behandelt
- Reduzierung der Lizenzkosten durch Auffinden und Beheben von Fehlkonfigurationen und überflüssigen Konten
- Wie funktionieren CCB- und CCX-Lizenzen wirklich?
- Verstehen des DLAU-Tools und wie man es am besten nutzt
- Tipps für häufige Problembereiche, wie z. B. Team-Postfächer, Funktions-/Testbenutzer usw.
- Praxisbeispiele und Best Practices zum sofortigen Umsetzen
AppSec PNW: Android and iOS Application Security with MobSF
Mobile Security Framework - MobSF is a free and open source automated mobile application security testing environment designed to help security engineers, researchers, developers, and penetration testers to identify security vulnerabilities, malicious behaviours and privacy concerns in mobile applications using static and dynamic analysis. It supports all the popular mobile application binaries and source code formats built for Android and iOS devices. In addition to automated security assessment, it also offers an interactive testing environment to build and execute scenario based test/fuzz cases against the application.
This talk covers:
Using MobSF for static analysis of mobile applications.
Interactive dynamic security assessment of Android and iOS applications.
Solving Mobile app CTF challenges.
Reverse engineering and runtime analysis of Mobile malware.
How to shift left and integrate MobSF/mobsfscan SAST and DAST in your build pipeline.
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Generating privacy-protected synthetic data using Secludy and Milvus
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How to Interpret Trends in the Kalyan Rajdhani Mix Chart.pdf
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“Temporal Event Neural Networks: A More Efficient Alternative to the Transfor...
“Temporal Event Neural Networks: A More Efficient Alternative to the Transfor...
“How Axelera AI Uses Digital Compute-in-memory to Deliver Fast and Energy-eff...
“How Axelera AI Uses Digital Compute-in-memory to Deliver Fast and Energy-eff...
Freshworks Rethinks NoSQL for Rapid Scaling & Cost-Efficiency
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GraphRAG for LifeSciences Hands-On with the Clinical Knowledge Graph
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Choosing The Best AWS Service For Your Website + API.pptx
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Astute Business Solutions | Oracle Cloud Partner |
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Your One-Stop Shop for Python Success: Top 10 US Python Development Providers
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Connector Corner: Seamlessly power UiPath Apps, GenAI with prebuilt connectors
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Overcoming the PLG Trap: Lessons from Canva's Head of Sales & Head of EMEA Da...
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Dandelion Hashtable: beyond billion requests per second on a commodity server
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Introduction of Cybersecurity with OSS at Code Europe 2024
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HCL Notes und Domino Lizenzkostenreduzierung in der Welt von DLAU
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Featured
How to Prepare For a Successful Job Search for 2024
The document provides guidance on preparing a job search for 2024. It discusses the state of the job market, focusing on growth in AI and healthcare but also continued layoffs. It recommends figuring out what you want to do by researching interests and skills, then conducting informational interviews. The job search should involve building a personal brand on LinkedIn, actively applying to jobs, tailoring resumes and interviews, maintaining job hunting as a habit, and continuing self-improvement. Once hired, the document advises setting new goals and keeping skills and networking active in case of future opportunities.
Social Media Marketing Trends 2024 // The Global Indie Insights
A report by thenetworkone and Kurio.
The contributing experts and agencies are (in an alphabetical order): Sylwia Rytel, Social Media Supervisor, 180heartbeats + JUNG v MATT (PL), Sharlene Jenner, Vice President - Director of Engagement Strategy, Abelson Taylor (USA), Alex Casanovas, Digital Director, Atrevia (ES), Dora Beilin, Senior Social Strategist, Barrett Hoffher (USA), Min Seo, Campaign Director, Brand New Agency (KR), Deshé M. Gully, Associate Strategist, Day One Agency (USA), Francesca Trevisan, Strategist, Different (IT), Trevor Crossman, CX and Digital Transformation Director; Olivia Hussey, Strategic Planner; Simi Srinarula, Social Media Manager, The Hallway (AUS), James Hebbert, Managing Director, Hylink (CN / UK), Mundy Álvarez, Planning Director; Pedro Rojas, Social Media Manager; Pancho González, CCO, Inbrax (CH), Oana Oprea, Head of Digital Planning, Jam Session Agency (RO), Amy Bottrill, Social Account Director, Launch (UK), Gaby Arriaga, Founder, Leonardo1452 (MX), Shantesh S Row, Creative Director, Liwa (UAE), Rajesh Mehta, Chief Strategy Officer; Dhruv Gaur, Digital Planning Lead; Leonie Mergulhao, Account Supervisor - Social Media & PR, Medulla (IN), Aurelija Plioplytė, Head of Digital & Social, Not Perfect (LI), Daiana Khaidargaliyeva, Account Manager, Osaka Labs (UK / USA), Stefanie Söhnchen, Vice President Digital, PIABO Communications (DE), Elisabeth Winiartati, Managing Consultant, Head of Global Integrated Communications; Lydia Aprina, Account Manager, Integrated Marketing and Communications; Nita Prabowo, Account Manager, Integrated Marketing and Communications; Okhi, Web Developer, PNTR Group (ID), Kei Obusan, Insights Director; Daffi Ranandi, Insights Manager, Radarr (SG), Gautam Reghunath, Co-founder & CEO, Talented (IN), Donagh Humphreys, Head of Social and Digital Innovation, THINKHOUSE (IRE), Sarah Yim, Strategy Director, Zulu Alpha Kilo (CA).
Trends In Paid Search: Navigating The Digital Landscape In 2024
The search marketing landscape is evolving rapidly with new technologies, and professionals, like you, rely on innovative paid search strategies to meet changing demands.
It’s important that you’re ready to implement new strategies in 2024.
Check this out and learn the top trends in paid search advertising that are expected to gain traction, so you can drive higher ROI more efficiently in 2024.
You’ll learn:
- The latest trends in AI and automation, and what this means for an evolving paid search ecosystem.
- New developments in privacy and data regulation.
- Emerging ad formats that are expected to make an impact next year.
Watch Sreekant Lanka from iQuanti and Irina Klein from OneMain Financial as they dive into the future of paid search and explore the trends, strategies, and technologies that will shape the search marketing landscape.
If you’re looking to assess your paid search strategy and design an industry-aligned plan for 2024, then this webinar is for you.
5 Public speaking tips from TED - Visualized summary
From their humble beginnings in 1984, TED has grown into the world’s most powerful amplifier for speakers and thought-leaders to share their ideas. They have over 2,400 filmed talks (not including the 30,000+ TEDx videos) freely available online, and have hosted over 17,500 events around the world.
With over one billion views in a year, it’s no wonder that so many speakers are looking to TED for ideas on how to share their message more effectively.
The article “5 Public-Speaking Tips TED Gives Its Speakers”, by Carmine Gallo for Forbes, gives speakers five practical ways to connect with their audience, and effectively share their ideas on stage.
Whether you are gearing up to get on a TED stage yourself, or just want to master the skills that so many of their speakers possess, these tips and quotes from Chris Anderson, the TED Talks Curator, will encourage you to make the most impactful impression on your audience.
See the full article and more summaries like this on SpeakerHub here: https://speakerhub.com/blog/5-presentation-tips-ted-gives-its-speakers
See the original article on Forbes here:
http://www.forbes.com/forbes/welcome/?toURL=http://www.forbes.com/sites/carminegallo/2016/05/06/5-public-speaking-tips-ted-gives-its-speakers/&refURL=&referrer=#5c07a8221d9b
ChatGPT and the Future of Work - Clark Boyd
Everyone is in agreement that ChatGPT (and other generative AI tools) will shape the future of work. Yet there is little consensus on exactly how, when, and to what extent this technology will change our world.
Businesses that extract maximum value from ChatGPT will use it as a collaborative tool for everything from brainstorming to technical maintenance.
For individuals, now is the time to pinpoint the skills the future professional will need to thrive in the AI age.
Check out this presentation to understand what ChatGPT is, how it will shape the future of work, and how you can prepare to take advantage.
Getting into the tech field. what next
The document provides career advice for getting into the tech field, including:
- Doing projects and internships in college to build a portfolio.
- Learning about different roles and technologies through industry research.
- Contributing to open source projects to build experience and network.
- Developing a personal brand through a website and social media presence.
- Networking through events, communities, and finding a mentor.
- Practicing interviews through mock interviews and whiteboarding coding questions.
Google's Just Not That Into You: Understanding Core Updates & Search Intent
1. Core updates from Google periodically change how its algorithms assess and rank websites and pages. This can impact rankings through shifts in user intent, site quality issues being caught up to, world events influencing queries, and overhauls to search like the E-A-T framework.
2. There are many possible user intents beyond just transactional, navigational and informational. Identifying intent shifts is important during core updates. Sites may need to optimize for new intents through different content types and sections.
3. Responding effectively to core updates requires analyzing "before and after" data to understand changes, identifying new intents or page types, and ensuring content matches appropriate intents across video, images, knowledge graphs and more.
How to have difficult conversations
Stop putting off having difficult conversations. Seven practical tips to ensure your next difficult conversation go smoothly.
Introduction to Data Science
A brief introduction to DataScience with explaining of the concepts, algorithms, machine learning, supervised and unsupervised learning, clustering, statistics, data preprocessing, real-world applications etc.
It's part of a Data Science Corner Campaign where I will be discussing the fundamentals of DataScience, AIML, Statistics etc.
Time Management & Productivity - Best Practices
Here's my presentation on by proven best practices how to manage your work time effectively and how to improve your productivity. It includes practical tips and how to use tools such as Slack, Google Apps, Hubspot, Google Calendar, Gmail and others.
The six step guide to practical project management
The six step guide to practical project management
If you think managing projects is too difficult, think again.
We’ve stripped back project management processes to the
basics – to make it quicker and easier, without sacrificing
the vital ingredients for success.
“If you’re looking for some real-world guidance, then The Six Step Guide to Practical Project Management will help.”
Dr Andrew Makar, Tactical Project Management
Beginners Guide to TikTok for Search - Rachel Pearson - We are Tilt __ Bright...
A presentation for absolute beginners who have never touched TikTok and may be a bit scared of it!
Unlocking the Power of ChatGPT and AI in Testing - A Real-World Look, present...
During this webinar, Anand Bagmar demonstrates how AI tools such as ChatGPT can be applied to various stages of the software development life cycle (SDLC) using an eCommerce application case study. Find the on-demand recording and more info at https://applitools.info/b59
Key takeaways:
• Learn how to use ChatGPT to add AI power to your testing and test automation
• Understand the limitations of the technology and where human expertise is crucial
• Gain insight into different AI-based tools
• Adopt AI-based tools to stay relevant and optimize work for developers and testers
* ChatGPT and OpenAI belong to OpenAI, L.L.C.
12 Ways to Increase Your Influence at Work
To succeed in your career, you need a strategy for sending out ripples of influence. Here are 12 ways you can start doing just that.
ChatGPT webinar slides
The document discusses various AI tools from OpenAI like GPT-3 and DALL-E 2, as well as ChatGPT. It explores how search engines are using AI and things to consider around AI-generated content. Potential SEO uses of ChatGPT are also presented, such as generating content at scale, conducting topic research, and automating basic coding tasks. The document encourages further reading on using ChatGPT for SEO purposes.
More than Just Lines on a Map: Best Practices for U.S Bike Routes
More than Just Lines on a Map: Best Practices for U.S Bike RoutesProject for Public Spaces & National Center for Biking and Walking
More than Just Lines on a Map: Best Practices for U.S Bike Routes
This session highlights best practices and lessons learned for U.S. Bike Route System designation, as well as how and why these routes should be integrated into bicycle planning at the local and regional level.
Presenters:
Presenter: Kevin Luecke Toole Design Group
Co-Presenter: Virginia Sullivan Adventure Cycling AssociationRide the Storm: Navigating Through Unstable Periods / Katerina Rudko (Belka G...
Has your project been caught in a storm of deadlines, clashing requirements, and the need to change course halfway through? If yes, then check out how the administration team navigated through all of this, relocating 160 people from 3 countries and opening 2 offices during the most turbulent time in the last 20 years. Belka Games’ Chief Administrative Officer, Katerina Rudko, will share universal approaches and life hacks that can help your project survive unstable periods when there seem to be too many tasks and a lack of time and people.
Barbie - Brand Strategy Presentation
This presentation was designed to provide strategic recommendations for a brand in decline. The deck also incorporates a situational assessment, including a brand identity, positioning, architecture, and portfolio strategy for the Brand.
Presentation originally created for NYU Stern's Brand Strategy course. Design by Erica Santiago & Chris Alexander.
Good Stuff Happens in 1:1 Meetings: Why you need them and how to do them well
According to the latest State of the American Manager report from Gallup, employees who have regular meetings with their managers are almost three times as likely to be engaged as those who don’t. These regular check-ins keep managers and employees in sync and aligned. Want to see better manager/employee relationships in your organisation? Then make an all-in commitment to 1:1 meetings. Not sure how? You’ve come to the right place.
In this webinar with Jamie Resker, Founder and Practice Leader for Employee Performance Solutions (EPS), and Teala Wilson, Talent Management Consultant at Saba Software, you’ll get the inside track on how to hold effective 1:1 meetings, including tips for getting managers on board.
• Go beyond discussing the status of everyday work to higher level topics, including recognition, performance, development, and career aspirations
• Learn how to decide meeting frequency, what to cover, as well as roles and responsibilities of the manager and employee
• Understand how managers can build trust and make it comfortable for employees to provide upward feedback
• Unite your organisation with a unified approach to 1:1 meetings
Join us for this 1-hour webinar to get practical tips for building better manager-employee relationships with intention and purpose.
About the Speakers
Jamie Resker - Founder and Practice Leader for Employee Performance Solutions (EPS)
Jamie Resker, Practice Leader and Founder of Employee Performance Solutions, is a recognized innovator in performance management. She is the originator of the-the Performance Continuum Feedback Method® and Conversations to Optimize Employee Performance training program; tools and training that reshape communications between managers and employees to drive and align performance. Jamie is on the faculty for the Northeast Human Resources Association, is a contributor to Halogen Software's Talent Space Blog, and is an editorial advisory board member for HR Examiner.
Teala Wilson - Senior Consultant, Strategic Services, Saba Software
Teala is a Talent Management Consultant at Halogen Software, now a part of Saba Software. She has worked with teams on a national and global level supporting human resources in areas such as performance management, recruitment, employee benefit programs, training and talent development, workforce planning and internal communications. Teala also has a personal passion for visual arts and design.
Want to learn more? Join us for an upcoming Product Tour!
http://bit.ly/2yitfqu
Introduction to C Programming Language
This video by Simplilearn will explain to you Introduction to C Programming Language. Introduction to C Programming Language Tutorial For Beginners will explain to you the C language's history, C's importance, its features, real-world applications, and some of its advantages and disadvantages.
00:00 Introduction to C
1:42-History of C language
Dennis Ritchie, a computer scientist, could identify the gaps and tap out the best features from both B and BCPL languages to invent a new hybrid.
Hence, C was born in 1972 at Bell Laboratories. A remarkably simple and highly readable programming language resulted in groundbreaking advancements in the IT industry.
2:48-Importance and unraveling the powerful capabilities of C,
The widespread use of C started to take over the IT industry. Unraveling the potential of C, the designers began to discover new possibilities that led them to focus on the big picture.
3:56-C's cutting-edge features
The designers at Bell Laboratories ensured that their programming language solved the issues with B and BCPL and the ones they had foreseen.
6:35-The popular real-world applications of C
-UNIX operating system
-google file system
-Mozilla
-Graphical user interface
8:30-The advantages and disadvantages of C
10:34-The popular IT companies and their domains that employ C
· MasterCard
· IBM
· Flipkart
· Dell
· Twitter
· GitHub and twitch
11:09-First c program.
🔥 Explore our FREE courses with completion certificates: https://www.simplilearn.com/skillup-f...
✅Subscribe to our Channel to learn more about the top Technologies: https://bit.ly/2VT4WtH
⏩ Check out the C++ Programming training videos: https://www.youtube.com/playlist?list...
#IntroductiontoCProgrammingLanguage #CLanguage #CProgramming #CProgram #CProgrammingLanguage #LearnCProgramming #HowToCodeInCForBeginners #CTutorialForBeginners #LearnCProgramming #Simplilearn
Dennis Ritchie, a computer scientist, was able to identify the gaps and tap out the best features from both B and BCPL languages to invent a new hybrid.
Hence, C was born in 1972 at Bell Laboratories. A remarkably simple and highly readable programming language resulted in groundbreaking advancements in the IT industry.
✅What is C++ Programming?
C++ is an enhanced and extended version of C programming language, developed by Bjarne Stroustrup in 1979 as part of his Ph.D. project. Bjarne developed what he called ‘C with Classes’ (later renamed C++) because he felt limited by the existing programming languages that were not ideal for large scale projects. He used C to build what he wanted because C was already a general-purpose language that was efficient and fast in its operations.
✅C++ Career Prospects:
With just C++ programming expertise, you will have excellent job opportunities, salaries, and career prospects. However, for a career based on programming languages such as Java and Python (which are in more demand than C++) or for careers based on front-end, back-end, and full-stack
Featured (20)
How to Prepare For a Successful Job Search for 2024
How to Prepare For a Successful Job Search for 2024
Social Media Marketing Trends 2024 // The Global Indie Insights
Social Media Marketing Trends 2024 // The Global Indie Insights
Trends In Paid Search: Navigating The Digital Landscape In 2024
Trends In Paid Search: Navigating The Digital Landscape In 2024
5 Public speaking tips from TED - Visualized summary
5 Public speaking tips from TED - Visualized summary
Google's Just Not That Into You: Understanding Core Updates & Search Intent
Google's Just Not That Into You: Understanding Core Updates & Search Intent
The six step guide to practical project management
The six step guide to practical project management
Beginners Guide to TikTok for Search - Rachel Pearson - We are Tilt __ Bright...
Beginners Guide to TikTok for Search - Rachel Pearson - We are Tilt __ Bright...
Unlocking the Power of ChatGPT and AI in Testing - A Real-World Look, present...
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More than Just Lines on a Map: Best Practices for U.S Bike Routes
More than Just Lines on a Map: Best Practices for U.S Bike Routes
Ride the Storm: Navigating Through Unstable Periods / Katerina Rudko (Belka G...
Ride the Storm: Navigating Through Unstable Periods / Katerina Rudko (Belka G...
Good Stuff Happens in 1:1 Meetings: Why you need them and how to do them well
Good Stuff Happens in 1:1 Meetings: Why you need them and how to do them well
Meap study
- 2. 研究の背景 パスワード認証 利点：認証誤差がない 欠点：覗き見・録画攻撃の危険性 生体認証（顔,指紋など） 利点：覗き見・録画攻撃への耐性 欠点：偽装の危険性、環境条件による本人拒否 2 認証の状況によって適した生体認証が異なる
- 3. ジェスチャ動作時の筋電位を 個人認証に用いるメリット 覗き見を防ぐことができる 人に見えないところでジェスチャを行うことで覗き見防止 他人がパスワードのジェスチャを再現しても認証されない 筋電位から得られる特徴が異なるため パスワード（ジェスチャ）の変更が行える 行動的特徴を利用しているため 3
- 4. 筋電位を用いた個人認証モデル 4 (i) ジェスチャの選択 筋電位センサを搭載した ウェアラブル端末 (ii) 選択したジェスチャの 筋電位信号データを登録 (iii) 登録したジェスチャ モバイル端末 (iv) 測定した筋電位 信号データを送信 (v) 特徴抽出 (vi) 特徴の比較 (vii) 特徴が一致：認証 特徴が不一致：拒否
- 6. 実験方法 測定の手順 ① 初期状態(力を抜いて軽く拳を握る) ② ジェスチャ動作を1つ行う ③ 初期状態に戻す ④ ①から③をそれぞれ６種類の ジェスチャに関して10回ずつ行う 6
- 7. ジェスチャ動作時の筋電図 筋電図 7 センサ1 センサ8 センサ2 センサ3 センサ4 センサ5 センサ6 センサ7 センサ1 センサ2 センサ3 センサ4 センサ5 センサ6 センサ7 センサ8 サンプル数
- 11. ジェスチャ識別 目的 ジェスチャ動作時の筋電位信号を利用したジェスチャ識別（個人判 別）とジェスチャ識別率の向上（本人拒否率の減少） 内容 4つの特徴量を用いたジェスチャ識別 特徴量を20に増やした場合のジェスチャ識別 分散分析による特徴量選択を行った場合のジェスチャ識別 ランダムフォレストによる特徴量選択を行った場合のジェスチャ識別 11
- 12. 個人認証の評価方法 本人拒否率（FR rate：False Rejection rate） 本人の正しいパスワード(ジェスチャ)を誤って拒否してしまいう割合 他人受入れ率（FA rate：False Acceptance rate） 他人のジェスチャを誤って受け入れてしまう割合 12 どちらも低い方が望ましい値
- 13. ジェスチャ識別器 SVM 入力したジェスチャ（筋電位の特徴量）に対して、１つのジェスチャを出力する 入力したジェスチャと出力されたジェスチャが一致した場合に認証する 被験者ごとに学習器を作成し、学習器ごとにパラメータを最適化した （カーネルはRBFカーネルで固定） 本人拒否率 各被験者の６０データの内、検証用データを６（各ジェスチャにつき１）、学習用データを５４ として交差検証を行った平均値 他人受け入れ率 ある被験者の６０データ全てで学習した学習器にその被験者以外のデータを入力 ジェスチャが一致した場合に他人を受け入れたとする 13
- 14. 4つの特徴量を用いた ジェスチャ識別 14 時間領域 最大値（max） 最小値（min） 最大値の時刻（t_max） 最小値の時刻（t_min） センサ1 センサ2 センサ3 センサ4 センサ5 センサ6 センサ7 センサ8 サンプル数 max min t_max t_min [1] 黒木 聡舜，山場 久昭，久保田 真一郎，片山 徹郎， 朴 美娘，岡崎 直宣:表面筋電位を用いた個人認証システムの実現 に向けた検討，情報処理学会研究報告，Vol. 2015-IOT-31，No. 5，2015 使用した特徴量[1]
- 15. 4つの特徴量を用いたジェスチャ識別 本人拒否率 各被験者の６０データの内、検証用データを６（各ジェスチャにつき １）、学習用データを５４として交差検証を行った平均値 被験者ごとに学習器を作成し、学習器ごとにパラメータを最適化した 15 Subject A B C D E Ave. FR rate 0.417 0.417 0.550 0.250 0.400 0.407 全被験者の本人拒否率の平均は40.7%
- 16. 特徴量の追加(センサ8のみ) 16 時間領域 周波数領域 平均値 平均値 最大値 最大値 最小値 最小値 最大値の時刻 最大値の周波数 最小値の時刻 最小値の周波数 中央値 中央値 分散 分散 歪度 歪度 尖度 尖度 二乗平均平方根 周波数領域エントロピー 20種類の特徴量 特徴量を20に増やした場合のジェスチャ識別
- 17. 17 Subject A B C D E Ave. FR rate 0.283 0.367 0.383 0.300 0.367 0.340 特徴量を20に増やした場合のジェスチャ識別 全被験者の本人拒否率の平均は34.0% 本人拒否率 各被験者の６０データの内、検証用データを６（各ジェスチャにつき １）、学習用データを５４として交差検証を行った平均値 被験者ごとに学習器を作成し、学習器ごとにパラメータを最適化した
- 18. 本人拒否率の比較 18 Subject A B C D E Ave. FR rate 0.283 0.367 0.383 0.300 0.367 0.340 ＜２０の特徴量を用いた場合＞ Subject A B C D E Ave. FR rate 0.417 0.417 0.550 0.250 0.400 0.407 ＜４つの特徴量を用いた場合＞ ６.7％の減少
- 19. 分散分析による特徴量選択を行った場合 分散分析（ANOVA） 19 𝑆 = 𝑎(𝑛−1) 𝑖=1 𝑎 𝑛(𝑥𝑖−𝑥)2 (𝑎−1) 𝑖=1 𝑎 𝑗=1 𝑛 (𝑥𝑖𝑗−𝑥𝑖)2 𝑎: 水準 ジェスチャ 数 , 𝑛: 水準内データ数(計測回数) , 𝑥𝑖 ∶ 水準𝑖の平均 , 𝑥𝑖𝑗 ∶ 水準𝑖の𝑗個目のデータ , 𝑥 ∶ 総平均 𝑆はある特徴量に対して目的変数（ジェスチャ）間のデータの差がどれだけあるかを表し ている 𝑆が大きい特徴量を重要度の高い特徴量とする
- 22. 分散分析による特徴量選択を行った場合 本人拒否率が最小のときの特徴量数と本人拒否率 22 Subject A B C D E Ave. 特徴量数 10 8 17 16 16 13.2 FR rate 0.267 0.350 0.317 0.217 0.333 0.297 全被験者の本人拒否率の平均は29.7%
- 23. ランダムフォレストによる 特徴量選択を行った場合 23 𝐼 𝑗 は特徴量𝑗でノードを分割することで、どれだけジニ不純度を下げることができるかを 表している 𝐼 𝑗 が大きい特徴量を重要度の高い特徴量とする 𝐼 𝑗 = 𝑖=1 |𝐹 𝑗 | 𝑁parent 𝑖 × 𝐺parent 𝑖 − {𝑁leftchild 𝑖 × 𝐺leftchild 𝑖 + 𝑁rightchild 𝑖 × 𝐺rightchild 𝑖 𝐺 𝑘 = 𝑖=1 𝑛 𝑃 𝑖|𝑘 1 − 𝑃 𝑖|𝑘 𝑃 𝑖|𝑘 : ノード𝑘 においてジェスチャ 𝑖に分類される確率 𝑛 ∶ ジェスチャ数 |𝐹 𝑗 | ∶ 特徴量𝑗が分割に使われた回数 𝑁parent(𝑖) ：ノード𝑖におけるデータ数 Gparent(𝑖) ：ノード𝑖におけるジニ不純度 𝑁leftchild(𝑖) ：ノード𝑖の左側の子ノードにおけるデータ数 Gleftchild(𝑖) ：ノード𝑖の左側の子ノードにおけるジニ不純度 𝑁rightchild(𝑖) ：ノード𝑖の右側の子ノードにおけるデータ数 Grightchild(𝑖) ：ノード𝑖の右側の子ノードにおけるジニ不純度
- 27. 本人拒否率が最小のときの特徴量数と本人拒否率 27 Subject A B C D E Ave. 特徴量数 8 7 15 16 13 11.8 FR rate 0.267 0.330 0.350 0.200 0.317 0.293 ランダムフォレストによる特徴量選択を行った場合 全被験者の本人拒否率の平均は29.3%
- 28. 本人拒否率の比較 28 Subject A B C D E Ave. 特徴量数 10 8 17 16 16 13.2 FR rate 0.267 0.350 0.317 0.217 0.333 0.297 Subject A B C D E Ave. FR rate 0.283 0.367 0.383 0.300 0.367 0.340 ＜２０種類の特徴量を用いた場合＞ ＜分散分析による特徴量選択を行った場合＞ ４.7％の減少 ＜ランダムフォレストによる特徴量選択を行った場合＞ Subject A B C D E Ave. 特徴量数 8 7 15 16 13 11.8 FR rate 0.267 0.330 0.350 0.200 0.317 0.293
- 29. 使用した特徴量の頻度（ランダムフォレスト） 29 識別率が最大のときに使用した特徴量 時間領域 使用頻度 周波数領域 使用頻度 平均値 0/5 平均値 5/5 最大値 3/5 最大値 4/5 最小値 4/5 最小値 3/5 最大値の時刻 3/5 最大値の周波数 2/5 最小値の時刻 5/5 最小値の周波数 0/5 中央値 ー 中央値 5/5 分散 5/5 分散 4/5 歪度 3/5 歪度 2/5 尖度 3/5 尖度 1/5 二乗平均平方根 5/5 周波数領域エントロピー 2/5 ・先行研究[1]では有効でないとされていた周波数領域における特徴量にも有効なものが 存在することがわかった。 [1] 黒木 聡舜，山場 久昭，久保田 真一郎，片山 徹郎， 朴 美娘，岡崎 直宣:表面筋電位を用いた個人認証システムの実現. に向けた検討，情報処理学会研究報告，Vol. 2015-IOT-31，No. 5，2015
- 30. 他人受け入れ率 ある被験者の学習器にその被験者以外のデータを入力 ジェスチャが一致した場合に他人を受け入れたとする 30 Subject A B C D E Ave. FA rate 0.454 0.421 0.513 0.442 0.429 0.452 ＜ランダムフォレストによる特徴量選択を行った場合＞ 全被験者の他人受け入れ率の平均は45.2%
- 31. 他人受け入れ率 ジェスチャごとの他人受け入れ率 31 Gesture a b c d e f FA rate 0.410 0.300 0.220 0.440 0.670 0.685 ＜ランダムフォレストによる特徴量選択を行った場合＞ emg8を使用した場合、ジェスチャeとジェスチャf の他人受け入れ率が高くなる
- 32. ジェスチャ a ジェスチャ f ジェスチャ e ジェスチャ d ジェスチャ c ジェスチャ b 他人受け入れ率（電極別）
- 33. 結論・考察と今後の課題 結論・考察 本人拒否率はランダムフォレストを用いて特徴量選択を行った場 合が最も低く29.3% 他人受け入れ率は平均で45.2% ジェスチャーe,f ⇒ 手首を動かす ⇒ 他人受け入れ率が高い 今後の課題 複数の筋電位信号データを使用する 使用するジェスチャを検討する 特徴抽出方法の検討
- 34. 34
- 35. 測定機器 筋電計𝑀𝑦𝑜𝑇𝑀 メーカ：THALMICLABS社 センサ：8チャネル サンプリング周波数：200Hz 装着方法：LEDが手の甲側 データ：csv出力 35 センサ1 センサ8 センサ2 センサ3 センサ4 センサ5 センサ6 センサ7
- 36. 本人拒否率 ジェスチャごとの本人拒否率 36 Gesture a b c d e f FA rate 0.420 0.240 0.380 0.320 0.240 0.160 ＜ランダムフォレストによる特徴量選択を行った場合＞ emg8を使用した場合、ジェスチャeとジェスチャf の本人拒否率は低くなる
- 37. 本人拒否率の比較（ランダムフォレストと分散分析） 37 ＜分散分析による特徴量選択を行った場合＞ Subject A B C D E Ave. 特徴量数 10 8 17 16 16 13.2 FR rate 0.267 0.350 0.317 0.217 0.333 0.297 ＜ランダムフォレストによる特徴量選択を行った場合＞ Subject A B C D E Ave. 特徴量数 8 7 15 16 13 11.8 FR rate 0.267 0.330 0.350 0.200 0.317 0.293 ・特徴量の選択を行なった場合、分散分析、ランダムフォレストのどちらの方法でも 本人拒否率は同程度で、３０％以下に下げることができた。 ・ランダムフォレストによる特徴量選択の方が使用する特徴量数が少ない結果となった。 特徴量数1.4個減少
- 38. 使用した特徴量の頻度（分散分析） 38 識別率が最大のときに使用した特徴量 時間領域 使用頻度 周波数領域 使用頻度 平均値 3/5 平均値 5/5 最大値 4/5 最大値 4/5 最小値 5/5 最小値 4/5 最大値の時刻 4/5 最大値の周波数 3/5 最小値の時刻 5/5 最小値の周波数 0/5 中央値 ー 中央値 5/5 分散 5/5 分散 4/5 歪度 1/5 歪度 3/5 尖度 1/5 尖度 3/5 二乗平均平方根 5/5 周波数領域エントロピー 2/5 ・先行研究[1]では有効でないとされていた周波数領域における特徴量にも有効なものが 存在することがわかった。 [1] 黒木 聡舜，山場 久昭，久保田 真一郎，片山 徹郎， 朴 美娘，岡崎 直宣:表面筋電位を用いた個人認証システムの実現. に向けた検討，情報処理学会研究報告，Vol. 2015-IOT-31，No. 5，2015